DOWNLOAD LG 22LD320H (CHASSIS:LB0AV) Service Manual ↓ Size: 4.54 MB | Pages: 37 in PDF or view online for FREE

Model
22LD320H (CHASSIS:LB0AV)
Pages
37
Size
4.54 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / LCD
File
22ld320h-chassis-lb0av.pdf
Date
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LG 22LD320H (CHASSIS:LB0AV) Service Manual ▷ View online

THE    SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE    SYMBOL MARK OF THE SCHEMETIC.
R3758
82
+5V_TU
C3726
0.1uF
16V
C3731
10uF
10V
OPT
Q3705
ISA1530AC1
E
B
C
+3.3V_TU
C3708
0.1uF
16V
IF_AGC_MAIN
Q3703
ISA1530AC1
E
B
C
+5V_Normal
TU_SIF
IF_AGC_SEL
R3762
0
OPT
TU_CVBS
C3702
0.1uF
16V
C3704
0.1uF
16V
TUNER_RESET
R3733
100K
L3703
BLM18PG121SN1D
R3766
1
1/10W
Q3704
2SC3052
OPT
E
B
C
R3750
1K
OPT
C3725
0.1uF
16V
+3.3V_TU
L3702
BLM18PG121SN1D
C3729
0.1uF
16V
R3754
10K
OPT
C3710
0.1uF
16V
C3707
100pF
50V
+1.2V/+1.8V_TU
+5V_TU
IF_P_MSTAR
C3703
100pF
50V
R3707
0
OPT
+3.3V_TU
TU_SDA
C3727
0.1uF
16V
+3.3V_Normal
C3717
0.1uF
16V
+3.3V_TU
C3728
0.1uF
16V
OPT
C3724
0.1uF
16V
+5V_TU
+1.2V/+1.8V_TU
+3.3V_TU
R3749
0
CONTROL_ATTEN
IF_N_MSTAR
C3701
0.1uF
16V
TU_SCL
R3753
4.7K
+5V_TU
R3732
100
R3760
0
R3761
0
C3730
10uF
10V
C3719
22uF
10V
OPT
C3722
22uF
10V
C3723
22uF
10V
C3737
100pF
50V
C3738
0.1uF
16V
R3704
0
IC3703
AZ1117H-ADJTRE1(EH11A)
2
OUTPUT
3
INPUT
1
ADJ/GND
R3768
1.2K
R3767
10
R3740
1.2K
R3741
1.2K
R3735
33
R3736
33
C3711
18pF
50V
C3713
18pF
50V
R3752
220
R3751
220
R3755
470
TU3702
TDTJ-S001D
TUNER
14
3.3V
13
1.2V
5
AS
12
GND
11
VIDEO
2
BST_CNTL
10
NC
4
NC[RF_AGC]
1
ANT_PWR[OPT]
17
DIF_1
9
SIF
8
NC[IF_TP]
3
+B
16
IF_AGC_CNTL
7
SDA
6
SCL
15
RESET
18
DIF_2
19
SHIELD
C3705
100uF
16V
OPT
R3703
150
OPT
VER 1.0
EU/CHINA CAN TUNER
should be guarded by ground
60mA
FE_AGC_SPEED_CTL
LGIT CAN NIM_H/N TUNER for EU
close to TUNER
close to TUNER
close to TUNER
Close to the tuner
200mA
GPIO must be added.
1. should be guarded by ground
2. No via on both of them
3. Signal Width >= 12mils
   Signal to Signal Width = 12mils
   Ground Width >= 24mils
OPTION : RF AGC
close to IF line
14
R1
R2
EAX62115501
THE    SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS 
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE    SYMBOL MARK OF THE SCHEMETIC.
GMA18
H_CONV
RXA3-
GMA16
GMA18
GMA7
RXA1+
GMA4
RXD1-
RXB4-
L701
120-ohm
WAFER_HD
RXA0+
RXB0+
GMA9
RXC0-
GMA4
RXC3-
RXA0-
H_CONV
C711
10uF
16V
MINI_LVDS
VCOML
GSP/GVST_I
POL
RXA2-
GMA3
GMA12
OPC_EN
RXA1-
PWM_DIM
GMA9
RXB4+
C706
0.1uF
16V
MINI_LVDS
OPC_OUT
C704
0.1uF
50V
MINI_LVDS
RXACK+
P705
FF10001-30
WAFER_HD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
RXB2+
RXB3+
VCOMLFB
C712
10uF
16V
MINI_LVDS
RXC0+
GMA3
RXA3+
RXB0-
RXD0+
GMA10
RXA0+
+3.3V_Normal
RXC1+
RXC4-
R700
3.3K
MINI_LVDS
VCOMRFB
SOE
RXC2+
VDD_LCM
GMA6
RXA2+
RXA0-
VCC_LCM
GMA13
VCC_LCM
RXC3+
GMA1
RXA1+
R717
0
OPT
SOE
R712
3.3K
LVDS_SEL_HIGH
RXD0-
GMA6
GSP/GVST_I
VDD_LCM
RXB1+
R716
0
WAFER_HD
PANEL_VCC
GMA16
RXC4+
RXD1+
C708
0.01uF
50V
MINI_LVDS
RXB1-
RXACK-
GMA7
GMA10
HVDD
C703
0.01uF
50V
MINI_LVDS
HVDD
C707
0.1uF
50V
MINI_LVDS
GMA15
GMA15
R711
10K
LVDS_SEL_LOW
RXB2-
RXC2-
VCOMR
POL
RXB3-
RXC1-
C701
0.1uF
16V
MINI_LVDS
GMA1
GMA13
RXA1-
GMA12
R703
3.3K
MINI_LVDS
R714
0
OPT
R724
0
OPT
VDD_EVEN
CLK1
VGL
(-5V)
Z_OUT
CLK4
VGI_N
VGI_P
VST
CLK2
VGL_I
CLK5
CLK6
R745
0
NON_GIP
CLK3
VDD_ODD
VGI_N
R767
0
NON_GIP
VGH_M
(+25V)
CLK1
R752
0
NON_GIP
R753
0
NON_GIP
R771
0
NON_GIP
CLK5
VDD_ODD
R751
0
NON_GIP
CLK4
Z_OUT
R750
0
NON_GIP
R748
0
NON_GIP
VST
GOE/GCLK1_I
CLK6
VGL_I
CLK3
R770
0
NON_GIP
R749
0
NON_GIP
R754
0 MINI_LVDS
VGL
(-5V)
VGI_P
VDD_EVEN
GSC/GCLK3_I
R772
0
NON_GIP
R768
0
NON_GIP
R769
0
NON_GIP
CLK2
R765
0 GIP
R729
0 GIP
R773
3.3K
NON_GIP
R701
0 GIP
P701
104060-6017
MINI_LVDS
1
GND
2
GMA1
3
GMA3
4
GMA4
5
GMA6
6
GMA7
7
GMA9
8
GMA10
9
GMA12
10
GMA13
11
GMA15
12
GMA16
13
GMA18
14
GND
15
OPT_N
16
H_CONV
17
VST_IN
18
POL
19
SOE
20
GND
21
LV0+
22
LV0-
23
LV1+
24
LV1-
25
LV2+
26
LV2-
27
LVCLK+
28
LVCLK-
29
LV3+
30
LV3-
31
LV4+
32
LV4-
33
LV5+
34
LV5-
35
GND
36
VCC
37
VCC
38
GND
39
HALF_VDD
40
HALF_VDD
41
VDD
42
VDD
43
GND
44
VCOM_IN
45
VCOM_FB
46
GND
47
VST
48
VSS
49
VGH_EVEN
50
VGH_ODD
51
VGI_P
52
VGI_N
53
CLK6
54
CLK5
55
CLK4
56
CLK3
57
CLK2
58
CLK1
59
Z_OUT
60
GND
61
.
P702
104060-6017
MINI_LVDS
1
GND
2
Z_OUT
3
CLK1
4
CLK2
5
CLK3
6
CLK4
7
CLK5
8
CLK6
9
VGI_N
10
VGI_P
11
VGH_ODD
12
VGH_EVEN
13
VSS
14
VST
15
GND
16
VCOM_FB
17
VCOM_IN
18
GND
19
VDD
20
VDD
21
HALF_VDD
22
HALF_VDD
23
GND
24
VCC
25
VCC
26
GND
27
RV0+
28
RV0-
29
RV1+
30
RV1-
31
RV2+
32
RV2-
33
RVCLK+
34
RVCLK-
35
RV3+
36
RV3-
37
RV4+
38
RV4-
39
RV5+
40
RV5-
41
GND
42
SOE
43
POL
44
VST_IN
45
H_CONV
46
OPT_N
47
GND
48
GMA18
49
GMA16
50
GMA15
51
GMA13
52
GMA12
53
GMA10
54
GMA9
55
GMA7
56
GMA6
57
GMA4
58
GMA3
59
GMA1
60
GND
61
.
VCC_LCM
VCC_LCM
VCC_LCM
C702
10uF
MINI_LVDS
C705
10uF
MINI_LVDS
RXA1-
RXB2+
RXA3-
RXA2+
+3.3V_Normal
L702
120-ohm
WAFER_FHD
RXACK+
PANEL_VCC
RXBCK+
RXA0+
C710
0.1uF
16V
WAFER_FHD
RXB4-
R710
10K
FHD_LVDS_SEL_LOW
RXA2-
RXB1+
R709
10K
BIT_SEL_LOW
RXACK-
RXB4+
RXB1-
RXB3-
RXA4+
RXBCK-
RXA3+
R705
3.3K
FHD_LVDS_SEL_HIGH
R721
0
OPT
OPC_EN
RXA1+
C700
10uF
16V
OPT
RXA0-
RXA4-
P703
TF05-51S
WAFER_FHD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
RXB0-
RXB3+
RXB2-
RXB0+
PWM_DIM
C709
1000pF
50V
WAFER_FHD
R723
0
OPT
LVDS
[30Pin LVDS Connector]
 (For HD 60Hz_Normal)
[LEFT FFC Connector]
 (60Pin Mini-LVDS)
10uF/25V(3216)
10uF/25V(3216)
[Right FFC Connector]
 (60Pin Mini-LVDS)
15
Ver. 1.3
LVDS_SEL
EAX62115501
[51Pin LVDS Connector]
 (For FHD 60/120Hz)
LVDS_SEL
BIT_SEL
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